Apple has plans to implement biometric controls into its gadgets, if techniques outlined in its latest patent application are taken to their logical conclusion.
The firm’s filing ith the US Patent and Trademark Office, entitled "Control of electronic device by using a person's fingerprints", describes how users could control …

prior art already

My Dell XPS with fingerprint reader, I log in to my account with finger, have different applications enrolled with different fingers - and when Vista UAC prompts for Admin rights elevation I swipe the finger registered to the Admin profile...